Koch-Chemie dilution ratios & calculators

Green Star (GS) is a high-power alkaline cleaner with broad dilution guidance. These presets surface the typical exterior, interior, and floor mixes with timed safety reminders.

Exterior and engine bays run between 1:5 and 1:30, interiors 1:10 to 1:20, and floors 1:40 to 1:120. Includes the VDA Class A contact time warning.

Filter Koch-Chemie formulas by use-case, surface compatibility, or ratio window. Most mixes fall between 1:5 – 1:80.

Use-cases

Surfaces

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Green Star (GS)

Exterior/engine 1:5–1:30, interior 1:10–1:20, floors 1:40–1:120. Includes the critical VDA Class A note (≤5 minute dwell, max 1:3).

Exterior & engine bay

5:1 (water:product)

Interior textiles

15:1 (water:product)

Floor cleaning

80:1 (water:product)

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MixByParts is not affiliated with Koch-Chemie. Ratios shown are from the manufacturer and authoritative guidelines; always verify on your bottle or TDS for your exact SKU.